08_04.cpp

来自「一些C++的课件和实验源代码」· C++ 代码 · 共 44 行

// 08_04.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <iostream>
using namespace std;

class animal {
protected:	int val;
public:
	animal()  { cout << "我是万物之灵." << endl; }
	~animal() { cout <<  "俱往矣, 数风流人物还看今朝." << endl; }
};

class bird:virtual public animal {
public:
	bird()  { cout << "我是一只小小鸟." << endl; }
	~bird() { cout << "雁南飞, 声声催人泪." << endl; }
};

class beast: public animal {
public:
	beast()  { cout << "我是万兽之王." << endl; }
	~beast() { cout << "力拔山兮气盖世, 英雄气短." << endl; }
};

class bat: public bird,  beast {
public:
	bat()  { cout << "我是蝙蝠侠." << endl; }
	~bat() { cout <<  "夜茫茫，我来去自无踪" << endl; }
//	void Inc() {	val++; }
};

int main(int argc, char* argv[])
{
	bat b;
	
//	cout << "sizeof(animal) = " << sizeof(animal) << endl;
//	cout << "sizeof(bird) = " << sizeof(bird) << endl;
//	cout << "sizeof(beast) = " << sizeof(beast) << endl;
//	cout << "sizeof(bat) = " << sizeof(bat) << endl;

	return 0;
}